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Handheld Electrostatic Meter Series IZH10 Easy-to-use handheld electrostatic meter RoHS 20.0 kV Rated charge amount range: ± Minimum display unit: 0.1 kV (±1.0 to ±20.0 kV) 0.01 kV (0 to ±0.99 kV) nt ing e r r u e tak c e th efor ricity k c b t Che ation c elec situ i-stati s! ant asure me IZS Compact & Lightweight: 85 g IZN (excluding dry cell batteries) IZF Peak/Bottom value indication Zero-clear function Auto power-off function LOW battery indicator Backlight for reading in the dark 1167 IZD IZE IZH Handheld Electrostatic Meter Series IZH10 RoHS How to Order IZH 10 Option Nil None H High-voltage measuring handle ∗ The ground wire and soft case Accessories and Option/Part Number for Individual Parts Ground wire (1.5 m)/Accessories IZH-A-01 Soft case/Accessories are attached to the IZH series. High-voltage measuring handle/Option IZH-B-01 IZH-C-01 High-voltage measuring handle Ground wire Soft case Note) Be sure to use a high-voltage measuring handle in situations such as during high-voltage measurement when there is a possibility of personnel coming in contact with electricity. Specifications IZH10 Model ±20.0 kV Rated charge amount range Minimum display unit Measurement distance Power supply Note 1) 0.1 kV (±1.0 kV to ±20.0 kV), 0.01 kV (0 to ±0.99 kV) 50 mm (between sensor part and measured target) 1.5 VDC 2A alkali dry cell battery, 2 pcs (continuous use for 15 hours or more, see Note 2)) ±5% F.S. ±1 digit Display accuracy Environment Enclosure Operating temperature range Operating humidity range Vibration resistance Impact resistance IP40 Operating: 0 to 40°C, Stored: –10 to 60°C (with no freezing or condensation) Operating/Stored: 35 to 85% R.H. (with no condensation) 10 to 150 Hz at whichever is smaller of 1.5 mm amplitude or 98 m/s2 acceleration, in X, Y, Z directions for 2 hs. each (De-energized) 100 m/s2 in X, Y, Z directions 3 times each (De-energized) Material Display part: PC/ABS Sensor part: ABS Weight 85 g (excluding dry cell batteries) Standards Accessories Note 1) 2A alkali dry cell batteries are not included, and must be acquired separately. Note 2) When new alkali dry cell batteries are used at ordinary temperature. 1168 CE marking Ground wire, Soft case Handheld Electrostatic Meter Series IZH10 Dimensions (Unit: mm) Display part 40 20 ±20.0kV Measured Potential AUTO POWER-OFF Extension Press for 6sec POWER PEAK / BOTTOM MODE Display Press! Normal MADE IN JAPAN G Do not apply a strong impact on the sensing part. BEST DETECTING POSITION 50mm Bottom LIGHT 110 POWER Press! Peak BATTERY 1.5V x 2 LR6 kV Sensor part 2 x ø3.4 ø4.8 SMC 9 16.6 600 87.5 0.5 8.8 13 BEST DETECTING POSITION 50mm 6.5 7 IZS IZN (7.5) IZF IZD IZE IZH 60 (12.3) (175) BEST DETECTING POSITION 50mm (9.3) (55) 86 21 1169 Series IZH10 Names and Functions of Individual Parts LCD display • Display of charged electricity • Display of peak/bottom value Peak display “P” Bottom display “b” Measured Potential ± 20.0kV AUTO POWER-OFF Extension Press for 6sec POWER PEAK / BOTTOM MODE Display Ground terminal kV POWER BATTERY 1.5V x 2 LR6 MADE IN JAPAN G LIGHT Battery LOW “L” LIGHT button • Backlight ON/OFF POWER button • Power ON/OFF • Mode switching LR6 dry cell battery (2 pcs.) Function Details A Peak/Bottom value indication The function constantly detects and updates the maximum and minimum electrostatic potential value and allows holding the display value. B Zero-clear function This function clears and resets the zero value on the display of measured pressure. The reading can be corrected within ±5% of F.S. from the factory-set condition. C LOW battery indicator When the batteries are low it is displayed in two stages: “Battery LOW” and “Replace Battery”. The battery level is indicated by the flashing or lightening up of “ ” on the display. • “ ” flashes: Prepare to replace batteries. • “ ” lights up: Replace batteries with new ones. D Auto power-off function If no button is operated for 5 min. or more while the power supply is on, the power supply will turn off automatically. When the [POWER] button is pressed for 6 sec. or more with the power supply off, continuous operating time while no button is pushed will extend to 15 min. E Light-up of backlight The display can be easily seen in the dark. The backlight will be turned on and off by every press of the [LIGHT] button. F Displayed digit change function The minimum display digit is changed for the charged potential between –0.99 kV to +0.99 kV. Error Display Error description Error display Condition A charge over ±5% F.S. of default potential is applied to the sensor. Zero clear error ∗ The indication lasts approx. 1 sec. and then measurement mode returns automatically. There will be a slight displacement, depending on the deviation of the sensor itself and ambient environment. Sensor error The sensor breaks. System error Internal data error. A charge over the upper limit of the measured voltage range is applied to the sensor, or the distance to the measured target is outside of specified range. Measurement error A charge over the lower limit of the measured voltage range is applied to the sensor, or the distance to the measured target is outside of specified range. Cable breakage 1170 — A broken cable prevents accurate measurement. The charge amount can be detected, but it will not change the displayed value. Series IZH10 Handheld Electrostatic Meter Precautions Be sure to read this before handling. Refer to front matter 56 for Safety Instructions. Handling Precautions Operating Environment Warning Warning 1. Do not make any modifications (including exchanging the printed circuit board) to the product. It may cause human injuries and damage. 2. Use the device in the condition of specified range. Using it out of the specified range may result in fires, electric shock, or damage. Confirm the specifications before using. 3. Measurement near high-voltage Avoid measuring near high-voltage exceeding specifications as it can be dangerous. 1. Handheld electrostatic meters are CE marked; however, they are not equipped with surge protection against lighting. Lighting surge countermeasures should be applied directly to system components as necessary. 2. Handheld electrostatic meters do not have an explosion proof rating. Never use in the presence of an explosive gas as this may cause a serious explosion. 4. Handling of ground wire Be sure to provide a ground wire to ensure safety and highaccuracy measurement when using the sensor. Also, if the ground wire is not connected properly, the power is pooled in the sensor part and/or ground terminal, which can discharge to an operator’s hand. Handle the sensor part and ground terminal carefully. If grounding is not provided, • Measurement accuracy gets worse. • The sensor is charged and can discharge to an operator’s hand. 5. Do not apply strong impact. Do not drop, allow collision or apply excessive shock to the sensor when handling. It can result in damage of the sensor and accidents. 6. Distance measurement is 50 mm. Use display of label attached to the sensors as a guide. Distance measurement Approx. 50 mm BEST DETECTING POSITION 50mm IZS Detection hole IZN Detection area IZF 7. The measurement of a part with a high-charge potential can be highly dangerous as it can cause a discharge to the user’s hand. IZD IZE IZH In this case, use a handle specific for measuring high voltage, which is available as an option, and wear rubber gloves, etc. Also, gradually bring the sensor part close to the measured target from a distance, and stop the measurement immediately when the displayed value overflows (HHH) or underflows (LLL). (A target with a high-charge potential is very dangerous. The measured value does not changed even if the distance is shortened.) 1171